Finding the Fourth Proportional to 2,642,517.36, 3,963,858.24 and 1,257,347.70
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Solution
The fourth proportional to 2,642,517.36, 3,963,858.24 and 1,257,347.70 is: 1,886,060.66
Step by Step Solution
- Step 1: Write the proportion equation
2,642,517.36 : 3,963,858.24 = 1,257,347.70 : x - Step 2: Convert to fraction form
2,642,517.36/3,963,858.24 = 1,257,347.70/x - Step 3: Cross multiply
2,642,517.36x = 3,963,858.24 × 1,257,347.70 - Step 4: Simplify right side
2,642,517.36x = 4,983,948,041,190.05 - Step 5: Solve for x
x = 4,983,948,041,190.05/2,642,517.36 - Step 6: Final answer
x = 1,886,060.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.